Add connection byte read method--not yet used.

git-svn-id: svn+ssh://oldsvn/home/mlalondesvn/svn/cral@107 3ee9b42a-b53c-0410-a25e-f0b6218d5d5b

branches/follower/wiz810mj/src/demo/WizDemo4/WizDemo4.pde

@@ -226,8 +226,8 @@ class NetworkConnection { // Essentially a Socket wrapper
     NetworkConnection(uint16_t port); // TODO: Add UDP, TCP choice?
 
     void listen(); // TODO: Return a useful value?
-
     int isConnected();
+    byte read();
     void NetworkConnection::close();
 
   private:
@@ -250,6 +250,17 @@ void NetworkConnection::listen() { // TODO: Make private or protected?
   ::listen(_socket); // TODO: Use C++ namespaces for the driver functions?
 }
 
+byte NetworkConnection::read() {
+  /*
+
+     Note: This blocks until a byte is available.
+
+   */
+  uint8_t theByte;
+  recv(_socket, &theByte, 1);
+  return theByte;    
+}
+
 int NetworkConnection::isConnected() {
   /*